Traffic signal



Feb. 23 ,1926.

`W. L. MERRICK TRAFFC SIGNAL 1924 s sneets-sheetl Filed Jan` 9 Feb. 23 1926,

w. L. MERRICK TRAFFIC SIGNAL Filed Jan. 9, 1924 3 Sh ets-She t.

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1,574,162 W. L. MERRICK TRAFFIC SIGNAL l Fliled Jan. 9, 1924 5 Sheets-Sheet 3 Patented Feb. 23, 1925.

unir an ,.s'frarns e einem" ,fgonnicn VIILLIAMLOUIS MERRCK, 0F HALFAX, CANADA.

-TRIIFTEIC SIGNAL.

Appircation filed January' 9,'

manually'hyithe driver of aw'ehicle tor:in.

di ating 'an intention to= turneitherto the right' or lett or proceed straight ahead.

. .Theiinvention see rs,1.as aniurtherobject, to provide a signaleinhoilyingr allpair of signal armsl to project Vforwardly over Athe hood of the Wehicle engine andi-wherein means will he provided .for manually swinging the arms simultaneously.

rllhe'invention seeks, as another object, :to provide a signal embodyingmeans 'for yieldably locking thearms when swung so fthat said arms will remain `in setpositionluntil manually shifted.

Anotherobject. of the .invention is .fto lprovide a `signal embodying ilhuninatingr means for the signal arms.

`41li-still' further object of the vinvention. -is to f provide signah embodying. an annunciator and wherein, when thearms arerswung either' to vthe right or'left for signaling an intention to lturn, the" annunciator lwill-.loe

sounded.

.And the inventionlseeks, as a vstill further object, to Vprovide afsignal `which-maybe readilyiinstalled and usedin connectioirwith vehicles ofdiierentconventional makes. l

Other and incidentalfolojectsiwill appear hereinafter.

ln. the drawings:

.Figure 1 isa plan View showingfmyimproved signal applied to a conventional motor vehicle,

Figure 2 is a fragmentary'enlarged-plan View particularly'showing the mounting of the signal armsras'well as the' annunciator switch employed, the housing for itheseparts being removed,

Figure 3 is an enlarged vert-ical sectional View on thelline' 3 3 of* FgigureQ, Ilooking in thedirection of vthe arrows,

'Figure 4 is a?fragmentary'sectional View '1924. f serial"no esaeea on the-line lr-4 oifligure 2, lookingfin the direction: of w'the arrows,

.Figure 5 isy a detail .sectional View; on the linev 5--5 i of. lligurei 8,' lookinglin itlie=rlirec tion 'of the arrows,

TFigur-e. 6 is :a detailrlsectional viewron thev line 6-1-6 orfflligure, lookingin/,thedirection oi the arrows,

'Figure 7; is. a detail persp'ectivelview ofthe housing employed,

' il'ilignre Sis. ai detailv plan' Viewshowingithe pitman employed, :and

Figuret) a diagrammatic Viewv of'lthe wiring syst-em.

. In order to clearly .bring out .the mounting` and: operation ofrmy improved signal, I; have, for convenience, shown the/fdevicetinsueonnection with.: a conventional:.motor vehicle. The cowl'v oi" `the vehicle is .in'dicatediatil and formed onor otherwise secured to the cowl, in?.accordance-with: the 'present iimproveme'nts, zare. .upstanding 'fpostsV .11. .7111ssoci'ated` with said, postsisa :tubular cross rod 12 which .lis formed' of ai ipluralilty: of=fsec tionswcomprising Lendflsect-ions or sleeves :13 sldaloly fitting a over .the e ends.` oitlrei (intermediate section .of Athe noch iThus, fthe sleeves 13 .may loe adjustedlfor lengthening or shortening the .rod .tosuit 1the-nequire ments 'of differenti vehicles and'Iseeuri'ngfithe sleevesiin adjustcdf position .ar'e'"set screws.'

111. .At 'theirl upper ends, thewposts '111.are recessed to ssnuglyxreceiyetheisleeves 13 and bearing: oversaid sleeves are fclampinghlocks 15 Yconnected nwith the :posts lbyfhinding screws-16. fFormed on .the sleeves'at their outer ends i are, as best f shown 'in Figure. 3, depending heads 1'? upon! which'y are. screwed collars: 18 and `swiveled :upon said :collars fis a pair of tubular signal'.- arms. 19ap1'oyided at their inner ends rwith flanges QOl-hearing' within the VVcollars. Thus, Ithefsignalarms are supported to extend horizontallyabove the engine hoodof the .vehicle and screwed uponlthe arms at theirouterendsarelsignal casings 21 ea-ch.mounting` a web or indicatorV 22 shaped to representahand. ls'lhe casngs 21 are preferably of the shape `shown'in Figuresz andoithe Idrawings and each comprises i a skeletonf iframet between: l'the b'a-rslof which. areiarranged suitable tran-'se' parencies 24:, and 1. appropriately 1 fmoun'ted at theouter yends of the/arms.19rare1signal lamps 25 housed fby-"said fca'sings.

At, the inner ends, the arms 19 are formed with elbows 26 to extend upwardly into the collars 18 and rising i'roni the arins at the forward end portions ot said elbows are post-s 27 terminating in upstanding studs 28. Extending between the arms is a preterably tubular connecting rod 29. As brought out in Figure 2, this rod is termed of telescopic sections so that said rod, like the rod 12, may be either lengthened or shortened to suit the requirements ot difierent vehicles and securing t-he sections ot the rod in adjusted position is a locking screw 30. Screwed 'upon the extremities ot' the rod are elbow-shapedV sleeves 31 terminating in flattened lugs 32 fitting over the studs 28 ot the'posts 27 and securing the sleeves against displacement are cotter pins or other suitable 'fastening devices 323 engaged through the studs. Thus, the rod 29 will serve to connect thev signal arins 19 to swing in unison and formed on one ot tlie sections oi the rod a rearwardly di rected post Sil! terminating in a stud Clainped upon the steering post 36 oi the vehicle is a bracket 7v which is preferably split troni end to end is secured about the steering post by bolts or other suitable fastening devices 38. At its upper end the bracket is formed withia bearing 39 Jfrom which rises a nipple i0 and screwed upon said nipple is a cap 41. rllhe cross rod 12 ot the device is, as shown in Figure li, provided with a depending lug 42 and journaled through said lug and through the bearing 39 of the bracket 37 is a hollow control shaft 43 extending beneath the wind shield of the vehicle. ,Fixed upon the 'forward end oic said shaft is crank le carrying a crank pin 45 and lconnecting the crank with the post 34. of the connecting rod 29 is a lineally adjustable pitnian i6 carrying,

as shown in detail in Figure 8, pivoted bearings 47, one itting over the crank pin and the other fitting over the stud 35 ot said post. Near its rear end, the shaft is provided, as shown in Figure 3, with icl-at Jraces 48 and slidable in the nippple fl() ot the bearing 39 to cooperate with said -faces ot the shaft isa detent i9 actuated by a spring 50 conined by the cap t1 ot said nipple.

- Removably iiXed upon the rear end ot t-lie shaft is a lever 51. This lever is oi preter- V ably tubular construction and is formed ot telescopic sections so that the lever may be lengthened or shortened to suit the requirements of diilerent cars, and securing the sections of the lever in adjusted position is a set screw 52. f

As will now be seen in view oi' lthe toregoing, the lever 51 may be grasped and rocked to the right, torinstance, when the signal arms 19 will be swung to the Vright handA dotted line position shown in Figure 1, for signaling an intention ot the driver shaft s3 will be brought to a position beneath the detentl9 so that sait detent will, under the influence of the spring 50, seat against such face, for yieldably locking the signal 'arms in set position. Likewise, when the lever 51 is brought to a vertical position and the signal arms 19 are, as shown in full lines in Figure 1, disposed to point straight ahead, the detent 49 will seat against onel ot the flat faces of the shaft e3 for yieldably locking the signal arms inactive.

Depending i'roin the cross rod 12 ot the device is, as shown in detail in Figure 6, a center tube 58 over which is titted a bellshaped hood ifi while between the lower end ot said tube and the cowl 10 ot the vehicle is arranged agasket 55. Bearing between said gasket and the hood is a spring and clamped between the hood' and the cross rod is an insulating block 57 notched at its forward longitudinal edge to accommodate said tube. Fixed to the rear longitudinal edge ot the block are contact lingers ,i8 and 59 and pivoted upon the block` between said fingers is a switch blade 60. Journaled at one -eiid upon the crank pin 45 of the crank 44 is a switch rod 61- which is bent to oir-- tend rearwardly above the cross rod 12 and is connected to the switch plate 60., Thus, when the signal arms 19 are swung to the right, as previously described, the blade 60 will be rocked into engagement with the switch fingers 58 while, when the signal arms are swung to the left, the switch blade will be swung into engagement with the switch lingers 59. As shown in Figure 3, l employ, in conjunction with the switch, a suitable aniiunciator G2 which niay, as suggested, be mounted upon the dash ot the vehicle or at any other approved location thereon. '.lhis annunciator is electrically connected with the switch lingers 5S and 59 as shall be presently explained and for protecting the switch as well as adjacent Vparts of the signal, l employ a housing G3.

,rec/ares over the Aconnecting rod 29, is hinged as indicated at 64, said front portion of the housing being cut away at its ends to accommodate the swinging movement of the arms 19.

Mounted upon the lever l is anappropriate switch 55 in thel upper' end of the casing of which is arranged socket 65 mounting a pilot lamp 67 and screwed into the upper end of the switch casinga hood 68 housing.;l the lamp and provided at opposite sides thereof with relatively small lightvopenings G9. The hood G8 is, of course, provided so that the light from thelamp 67 will not annoy the driver of the vehicle while, at the Sametime, said hood will serve to house and protect the lamp. its shown in Figure 3, suitable circuit wires are led through the lever 5l to the switch 65 and pilot lamp G7. Likewise, circuit wires are, as shown inlfipure G, led through the cowl 10 of the'vehicle and through the tube 53 into the cross rod 12 to emerge from said rod to the switch lingers and 59 ask well as to continue through the rod and through the signal arms 19 to the lamps 25. In Figure 9 of the drawings, l have diagrammatically shown the manner in which the lamps of the device as well as the switch 65 and annunciator 62 are electrically connected. As illustrated, ar

wire 70 is led from the battery or other suitable source of electrical energy upon the vehicle to one side of the switch 65 and con necting the opposite side of the switch with the battery is a return wire 71 while wires 7 and 78 are provided to connect the switch with the lamp G7. Leading from the wire 70 are wires 7a and 75 connected to corre? sponding terminals of the lamps 25 and leading` from opposite corresponding terminals of said lamgs are return wires 76 and 77 connected to the wire 7l. lnterposed in the wire 70 is a master switch 78 which, as will be seen, may be operated for breaking a circuit through the lamps as Vwell as through the lamp 67 so that in the daytime said lamps may beextinguished. VOn the other hand, when the switch 7 S is closed, the lamps Q5 will be energized. Accordingly, at night, the signal casings 2l and indicators 22 may be illuminated. After the switch 78 has been closed, the switch may then be closed when the pilot lamp 67 will be energized, this lamp being provided for testing as to whether or not the system is functioning properly. Leading` from the wire at a point between the battery and the master switch 7 8 is a wire 79 connected to one side of the annunciator 62 and leading from the opposite side of said annunciator to the switch blade 60 is a wire 80. Leading from the switch fingers 58 and 59 is a return wire 8l connected to the return wire 71. A circuit is thus provided through theV annunciA ator and through the switch blade 60 independent ofthe circuit ofthe lamps'Q so that when the switch blade is rocked into enagagementwith the switch lingers 58 or into engagement with the switch fingers 59, the ennunciatorwill becausedfto sound regerdless ofwhether ornot the circuit through the lamps 25 is closed. Engagementof lthe switch blade 60` with the switch fingers 58, when the signal arms .19 are swungl tothe right as previouslyI described, will., therefore, etlect sounding` of the annunciator and likewise, the annunciator will be sounded upon engagement of the, switch blade GOwith the switch fingers59,when the signal arms are swung; to the left.

Having' thus described is claimed new-is:

A1. ina traffic signal for vehicles, the comhin ,tion of a fixed cross rod to extend transy of ythe vehicle, forwardly extending horizontal signal arms swiveled at their inner ends upon the ends of said rodand movable to project toward either one side or .other ofI the vehicle, means lcoupling sf, d arms to swingv in unison, and means for swinkoging said arms.

in a traflic signal for vehicles, the combination of a fixed cross rod to extend transversely of the vehicle, forwardly extending horizontal signal arms swiveled at their inner ends upon the ends of said rod and movable to project toward either oneside or the other of the vehicle, means coupling said arms to swing` in unison, a rotatable control shaft, a crank carried by said shaft, and a pit-man connecting said crank with said coupling means whereby the shaft may the invention, what be turned for swinging said arms. c

3. ln a traiic signal for vehicles, the combination of a lined cross rod to extend transversely of the vehicle and provided at its ends with heads, horizontal. signal arms normally proiectingforwardly with respect to said rod, collars screwed upon said heads to form swivel connections between the inner ends ofthe arms and said rod and supporting the arms for movement to progect toward eitherone side or the other of the vehicle, means coupling the arms to swing in unison, and means associated with said coupling means for swinging the arms.

et. lin a tra-lie signalfor vehicles, the combination of lined cross rod to ext-end transi versely of the vehicle, companion forwardly projecting; horizontal signal arms swiveled at their inner ends upon the ends of the rod and movable to project toward either -one side or the other of the vehicle, means connecting the arms to swing,` in unison, operating` means for swinging` the arms in cludinp; a rotatable shaft having flat faces, and a spring pressed detent bearing against said shaft to selectively coact with the Hat faces thereof for locking the arms when swung.

"5. In a traine signal for vehicles, the cornbination of a fixed cross rod to extend transversely ot the vehicle, companion forwardly projectinghorizontal signal arms swiveled at their inner ends upon the ends of lsaid rod to normally project forwardly adjacent opposite sides ot the vehicle, means coupling the arms to swing` in unison'toward either one side or the other of the vehicle, a rotatable operating shaft having a crank thereon, and a pitman extendingvbetween said crank and said couplingmeans for swinging the arms, said pitman being` formed of lineally adjustable sections.

(3. In a traiiic signal for vehicles, the combination of a fixed cross rod to extend transversely of the vehicle,companion forwardly projecting,` horizontal signal arms swiveled at their inner ends upon the ends of said rod and movable to project toward either one side or the other of the vehicle, means connecting the arms to swing in unison, operative means for swinging the arms includingV a rotatable shaft having flat faces,

a bracket rotatably supporting said shaft and terminating atits upper end in a nipple, a spring pressedv detent freely accommodated in said nipple to bear against said shaft and selectively coact with the flat faces thereof for locking the arms when swung, and a cap closing' said nipple.

7. ln a trahe signal for vehicles, the combination ot' a fixed cross rod to extend transversely o't the vehicle, forwardly extending horizontal signal arms swiveled at their inner ends upon the ends of said rod and movable to project toward either one side er the other of the vehicle, means coupling said arms te swingl in unison and formed of lineally adjustable 4sections one of which is provided with a stud, a rotatable control shaft, a crank carried by said shaft, and a pitman 4e,;\;tendingbetween Vsaid crank and said stud whereby the shaft may be turned for swinging the arms. in testimony whereof I atIiX my signature.

WILLIAM LOUS MERRICK. [n s] 

